Article - CS110292
How to programmaticaly get/set custom attributes(soft attributes, IBA) on EPMDocuments (including Family Table members) in Windchill PDMLink
Modified: 09-May-2026
Applies To
- Windchill PDMLink 9.1 to 13.1
Description
- Application Program Interface(API) to get / set attributes on CAD Documents.
- Need API to update IBA on EPM family table objects
- Modify an attribute using API for a Family Table instance.
- Which API can be used to set/update custom EPMDocument attribute value
- Unable to set attributes EPMDocument using the <Update-Objects> webject or LWCNormalizedObject API
- The issue is generally observed with Family Table objects.
- Exception may vary depending on the API and the Windchill release E.g. "wt.iba.constraint.IBAConstraintException: Attribute values cannot be added, removed, or changed"
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